Resolved deprecation warning

Using the default Django 1.6+ test runner. This new value will resolve the deprecation warnings seen when using manage.py. Note that test settings will continue to use the Django Nose test runner.

ecommerce/settings/base.py

@@ -391,3 +391,6 @@ REST_FRAMEWORK = {
     'PAGE_SIZE': 20
 }
 # END DJANGO REST FRAMEWORK
+
+# Resolving deprecation warning
+TEST_RUNNER = 'django.test.runner.DiscoverRunner'